insulator

/ˈɪn.sjə.leɪ.tə(ɹ)/

noun

A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).

The rubber material is a good insulator of electricity.

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意味（1）

A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).

意味（2）

A non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image)

To isolate electrical wires from the pylons supporting them, one often uses glass insulators.

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意味（3）

A person who installs insulation.

Alan Vasen worked as an insulator at this site from September 1968 through mid-April 1969. Mr. Vasen installed thousands of lineal feet of asbestos pipe covering and thousands of square feet of asbestos block insulation throughout the operating units of the Benicia refinery.

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insulator

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